Ticks And Mites Reveiw
This quiz is meant to be a review of ticks and mites and to give the student an idea of questions they may see on their exams.
- 1.A soft tick whose larval and nymphal stages, but not adults parasitize the ear canals of horses is:
- A.
Boophilus
- B.
Argas
- C.
Otobius
- D.
Dermacentor
- E.
Amblyoma
- 2.Although it will feed on many different host species, Amblyomma americanum, the lone star tick, prefers to feed on what animal as a larva, nymph, and adult?
- A.
Dog
- B.
Coyote
- C.
Human
- D.
Deer
- E.
Bear
- 3.What ticke genus in the US is most commonly associated with tick paralysis?
- A.
Ixodes
- B.
Rhipicephalus
- C.
Haemaphysalis
- D.
Ornithodorus
- E.
Dermacenter
- 4.Secondary infections can occur following any arthropod bite. However, what two ticks in North America have long mouth parts that cause a particularly deep wound, thus increasing the likelihood that a secondary infection will occur at the bite site?
- A.
Rhipicephalus
- B.
Ixodes
- C.
Dermacentor
- D.
Haemaphysalis
- E.
Amblyomma
- 5.Although, exceptions occur, most hard ticks in North America have a life cycle that is described as:
- A.
One-host
- B.
Two-host
- C.
Three-host
- D.
Multiple-host
- E.
Free-living
- 6.Which of the following mite is least commonly found on cats?
- A.
Notodres
- B.
Sarcoptes
- C.
Demodex
- D.
Cheyletiella
- E.
Otodectes
- 7.Which of the following mites causes a nodular dermatitis due to greatly dilated hair follicles containing large numbers of mites in individual pigs, goats or cattle:
- A.
Psorptes
- B.
Sarcoptes
- C.
Chorioptes
- D.
Demodex
- E.
Trombicula
- 8.Trombicula mites (chiggers) feed on their hosts by:
- A.
Burrowing beneath the surface of the skin for several days
- B.
Forming a stylostome (feeding tube) to penetrate through the epidermis so that host tissue fluid can be imbibed
- C.
Slashing the surface of the skin and expressing anticoagulants into the wound, then rapidly imbibing the pooled blood
- D.
Directly ingesting dander and hair from the superficial-most area of the skin
- E.
None of the above
- 9.Which two of the following mites of large animals (cattle, sheep, and goats) are extremely contagious and cause the most severe disease in infested animals, and thus are the most important to accurately diagnose and report to the state and federal authorities:
- A.
Trichodectes
- B.
Sarcoptes
- C.
Demodex
- D.
Chorioptes
- E.
Psorptes
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